Hi all, Have a similar issue. Not sure if any of you have resolved this geyser issue. I have a 16L dewhot geyser. I have a 48kg bottle supplying my stove and one bathroom (shower and basin). We are 3 people, showering twice a day (avg 10min each). Gas bottle usage is variable. 1st time 48kg lasted 5 weeks, 2nd bottle lasted 3 weeks, third 48kg lasted 18 days. We have so far installed a water pressure valve as the municipal supply pressure was too high (around 800kPa) to reduce the pressure to 450kPa, 48kg lasted 3 weeks. We also them changed the gas regulator, now 48 kg lasted 18 days. We also seem to notice that the water gets extremely boiling hot when you open the tap, then adjusts to setting temp, and after about 2mins, water is cold. This seems to happen when the 48kg gas bottle is less then half full. Now the water temp does not go higher than 37C, with setpoint at 55C. This is not ideal. Can anyone help? When gas bottle is low, generally get a E7 error code. This high gas usage and unreliable dewhot is not ideal.